plot_cd: Visualisation of the cook's distances

In Kale-S/isnormalr: olsdiagnosticR

Description

A barplot for cook's distances values

Usage

plot_cd(influence_obs)

Arguments

influence_obs

a list with following values: leverage.value, cooks.distance, studentized.residuals

Details

Further information about cook's distances can be found in the documentation influence_observation

Value

qqplot-object

References

Cook, R. D. and Weisberg, S. (1984) Residuals and Influence in Regression.

Wiley. Fox, J. (1997) Applied Regression, Linear Models, and Related Methods.

Sage. Williams, D. A. (1987) Generalized linear model diagnostics using the deviance and single case deletions. Applied Statistics 36, 181–191.

Examples

## Not run: 
X <- data.frame(matrix(rnorm(1000), nrow = 100))
resid <- rnorm(100)
inf_obs <- olsdiagnosticR:::influence_observation(X = X, e = error)
olsdiagnosticR:::plot_cd(influence_obs = inf_obs)

## End(Not run)

Kale-S/isnormalr documentation built on Sept. 23, 2019, 5:48 a.m.